求翻译：在经历了殖民、独立、内战和世界大战之后，美国渐渐开始强大起来，一股被称为“美国精神”的力量便随之逐渐形成，就是这股力量，为美国打开了通向成功的大门。是什么意思？

Colonial, independence, civil war and World War, the United States gradually began to become powerful, wave known as the "American spirit" forces will be followed by the gradual formation of force for the United States opened the door to success .

In the colonial, independence, civil war and World War II, the United States began a strong unit, and is known as the 'American spirit' of the forces of evolution, it was this force for the United States, opens the door to success.

After has experienced colonizes, the independence, the civil war and the world war, US gradually starts to be formidable, is called “the American spirit” the strength along with it gradually is then formed, is this share dividend quantity, was US has opened to the successful front door.

Through colonialism, independence, civil war, and after the world war, United States started getting stronger, a unit known as "United States spirit" will evolve along with the forces of, is that this force, for the United States has opened the door to success.

正在翻译，请等待...